vintagegal: Photos from the Yerkes Observatory in Williams Bay, Wisconsin. Yerkes has the largest refracting telescope—all glass lenses, no mirrors—in the world. It also has been the home for numerous astronomical discoveries and a place of research
vintagegal: Photos from the Yerkes Observatory in Williams Bay, Wisconsin. Yerkes has the largest refracting telescope—all glass lenses, no mirrors—in the world. It also has been the home for numerous astronomical discoveries and a place of research
vintagegal: Photos from the Yerkes Observatory in Williams Bay, Wisconsin. Yerkes has the largest refracting telescope—all glass lenses, no mirrors—in the world. It also has been the home for numerous astronomical discoveries and a place of research
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